// Copyright 2021 Ll3macorn (@ll3macorn)
// SPDX-License-Identifier: GPL-2.0-or-later
#include "quantum.h"

#ifdef OLED_ENABLE
bool oled_task_kb(void) {
    if (!oled_task_user()) {
        return false;
    }

// WPM-responsive animation stuff here
#    define IDLE_FRAMES         5
#    define IDLE_SPEED          0  // below this wpm value your animation will idle

    // #define PREP_FRAMES 1 // uncomment if >1

#    define TAP_FRAMES          2
#    define TAP_SPEED           0  // above this wpm value typing animation to triggere

#    define ANIM_FRAME_DURATION 200  // how long each frame lasts in ms
// #define SLEEP_TIMER 60000 // should sleep after this period of 0 wpm, needs fixing
#    define ANIM_SIZE           512  // number of bytes in array, minimize for adequate firmware size, max is 1024

    uint32_t anim_timer         = 0;
    uint32_t anim_sleep         = 0;
    uint8_t  current_idle_frame = 0;
    // uint8_t current_prep_frame = 0; // uncomment if PREP_FRAMES >1
    uint8_t current_tap_frame = 0;

    // Images credit j-inc(/James Incandenza) and pixelbenny. Credit to obosob for initial animation approach.
   void render_anim(void) {
        static const char PROGMEM idle[IDLE_FRAMES][ANIM_SIZE] = {{
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                                                                  },
                                                                  {
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                                                                  },
                                                                  {
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                                                                  },
                                                                  {
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                                                                  },
                                                                  {
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                                                                  }};
        static const char PROGMEM prep[][ANIM_SIZE]            = {{
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,  128, 128, 0, 0,  0, 0, 0,   128, 64,  64,  32,  32, 32, 32, 16, 16, 16, 16, 8,  4,  2,  1,  1, 2, 12, 48, 64, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0,   0,   0, 0,   0,   0,   0,   0,   0,   0,   0, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 225, 0, 0, 1, 1, 2, 2, 129, 128, 128, 0, 0, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 48, 48, 0, 0, 1, 225, 26, 6, 9, 49, 53, 1, 138, 124, 0, 0, 128, 128, 128, 128, 64, 64, 64, 64, 32, 32, 32, 32, 16, 16, 16, 16, 8, 8, 8, 8, 8, 196, 4, 196, 4, 196, 2, 194, 2, 194, 1, 1, 1, 1, 0, 0, 0,
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        }};
        static const char PROGMEM tap[TAP_FRAMES][ANIM_SIZE]   = {
            {
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,  128, 128, 0, 0,  0, 0, 0,   128, 64,  64, 32,  32, 32, 32, 16, 16, 16, 16, 8,  4,  2,  1,  1, 2, 12, 48, 64, 128, 0, 0, 0, 0,  0,  0,  0,  248, 248, 248, 248, 0,  0,   0,   0,   0,   128, 128, 0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0,   0,   0, 0,   0,   0,   0,   0,   0,   0,   0, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 225, 0, 0, 1, 1, 2, 2, 129, 128, 128, 0, 0, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 48, 48, 0, 0, 1, 1, 2, 4, 8, 16, 32, 67, 135, 7, 1, 0, 184, 188, 190, 159, 95, 95, 79, 76, 32, 32, 32, 32, 16, 16, 16, 16, 8, 8, 8, 8, 8, 196, 4, 196, 4, 196, 2, 194, 2, 194, 1, 1, 1, 1, 0, 0, 0,
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 112, 12, 3,   0,   0, 24, 6, 5, 152, 153, 132, 67, 124, 65, 65, 64, 64, 32, 33, 34, 18, 17, 17, 17, 9, 8, 8,  8,  8,  4,   4, 8, 8, 16, 16, 16, 16, 16,  17,  15,  1,   61, 124, 252, 252, 252, 252, 252, 60, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 255, 255, 195, 191, 127, 3, 127, 191, 195, 255, 255, 170, 170, 0, 0,   0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 64, 64, 64, 64, 32, 32, 32, 32, 16, 16, 16, 16, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 3, 2,  2,   1, 1, 1, 1, 1, 1, 0,   0,   0,   0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0, 0,  0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0,  0,   0, 0, 0, 0,   0,   1,   3,   3,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 2, 2, 7, 31,  7, 31,  7, 28,  7, 31,  7, 31,  7, 2, 2, 0, 0, 0, 0,
            },
            {
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,  128, 128, 0, 0, 0, 0, 0, 128, 64, 64, 32, 32, 32, 32, 16, 16,  16, 16, 8,  4,  2,  1,  1, 2, 12, 48, 64, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0,   0,   0, 0,   0,   0,   0,   0,   0,   0,   0, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 30,  225, 0,   0,   1,   1,   2,  2,  1, 0, 0, 0, 0, 128, 128, 0, 0, 0, 0, 0, 0, 0,  0,  0,   128, 0,   48,  48,  0,   0, 1, 225, 26, 6, 9, 49, 53, 1, 138, 124, 0, 0, 128, 128, 128, 128, 64, 64, 64, 64, 32, 32, 32, 32, 16, 16, 16, 16, 8, 8, 8, 8, 8, 196, 4, 196, 4, 196, 2, 194, 2, 194, 1, 1, 1, 1, 0, 0, 0,
                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 112, 12, 3,   0,   0, 0, 0, 0, 0, 0,   0,  0,  0,  1,  1,  0,  64, 160, 33, 34, 18, 17, 17, 17, 9, 8, 8,  8,  8,  4,   4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 170, 170, 255, 255, 195, 191, 127, 3, 127, 191, 195, 255, 255, 170, 170, 0, 0,   0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 64, 64, 64, 64, 32, 32, 32, 32, 16, 16, 16, 16, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 3, 122, 122, 121, 121, 121, 121, 57, 49, 2, 2, 4, 4, 8, 8,   8,   8, 8, 7, 0, 0, 0, 48, 60, 124, 124, 126, 126, 126, 126, 0, 0, 0,   0,  0, 0, 0,  0,  0, 0,   0,   0, 0, 0,   0,   0,   0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 0, 2, 2, 7, 31,  7, 31,  7, 28,  7, 31,  7, 31,  7, 2, 2, 0, 0, 0, 0,
            },
        };

        // assumes 1 frame prep stage
        void animation_phase(void) {
            if (get_current_wpm() <= IDLE_SPEED) {
                current_idle_frame = (current_idle_frame + 1) % IDLE_FRAMES;
                oled_write_raw_P(idle[abs((IDLE_FRAMES - 1) - current_idle_frame)], ANIM_SIZE);
            }
            if (get_current_wpm() > IDLE_SPEED && get_current_wpm() < TAP_SPEED) {
                // oled_write_raw_P(prep[abs((PREP_FRAMES-1)-current_prep_frame)], ANIM_SIZE); // uncomment if IDLE_FRAMES >1
                oled_write_raw_P(prep[0], ANIM_SIZE);  // remove if IDLE_FRAMES >1
            }
            if (get_current_wpm() >= TAP_SPEED) {
                current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
                oled_write_raw_P(tap[abs((TAP_FRAMES - 1) - current_tap_frame)], ANIM_SIZE);
            }
        }
        if (get_current_wpm() != 000) {
            oled_on();  // not essential but turns on animation OLED with any alpha keypress
            if (timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
                anim_timer = timer_read32();
                animation_phase();
            }
            anim_sleep = timer_read32();
        } else {
            if (timer_elapsed32(anim_sleep) > OLED_TIMEOUT) {
                oled_off();
            } else {
                if (timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
                    anim_timer = timer_read32();
                    animation_phase();
                }
            }
        }
    }

    render_anim();
    oled_set_cursor(0, 0);
    oled_write(get_u8_str(get_current_wpm(), '0'), false);
    return true;
}

oled_rotation_t oled_init_user(oled_rotation_t rotation) { return OLED_ROTATION_180; };
#endif
